Find cheap British Airways flights to Washington from £398

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Flight Deals

Cheap British Airways Flight Deals to Washington

 
Here are some of the best deals found on KAYAK recently from British Airways to Washington that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return British Airways flight deals from the United Kingdom to Washington

Fri, 13 Mar - Tue, 14 Apr
British Airways Logo
09:25 - 12:30LHR-SEA
10h 05mdirect
British Airways Logo
13:35 - 06:50SEA-LHR
9h 15mdirect
£474British Airways
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Fri, 13 Feb - Thu, 19 Feb
British Airways Logo
14:55 - 16:55LHR-SEA
10h 00mdirect
British Airways Logo
18:50 - 12:20SEA-LHR
9h 30mdirect
£475British Airways
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Tue, 10 Mar - Tue, 17 Mar
British Airways Logo
09:25 - 12:30LHR-SEA
10h 05mdirect
British Airways Logo
19:50 - 12:20SEA-LHR
9h 30mdirect
£477British Airways
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Fri, 13 Feb - Thu, 19 Feb
British Airways Logo
14:55 - 16:55LHR-SEA
10h 00mdirect
British Airways Logo
18:50 - 12:20SEA-LHR
9h 30mdirect
£477British Airways
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Tue, 24 Feb - Tue, 3 Mar
British Airways Logo
09:25 - 11:30LHR-SEA
10h 05mdirect
British Airways Logo
13:25 - 07:00SEA-LHR
9h 35mdirect
£479British Airways
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Tue, 24 Feb - Tue, 3 Mar
British Airways Logo
13:10 - 22:01LHR-SEA
16h 51m1 stop
British Airways Logo
13:25 - 07:00SEA-LHR
9h 35mdirect
£481British Airways
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Tue, 24 Feb - Tue, 3 Mar
British Airways Logo
14:55 - 16:55LHR-SEA
10h 00mdirect
British Airways Logo
13:44 - 10:25SEA-LHR
12h 41m1 stop
£484British Airways
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Wed, 8 Apr - Wed, 15 Apr
British Airways Logo
09:50 - 11:35LHR-SEA
9h 45mdirect
British Airways Logo
13:35 - 06:50SEA-LHR
9h 15mdirect
£487British Airways
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Wed, 8 Apr - Wed, 15 Apr
British Airways Logo
16:30 - 18:25LHR-SEA
9h 55mdirect
British Airways Logo
20:20 - 13:45SEA-LHR
9h 25mdirect
£490British Airways
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Tue, 3 Mar - Tue, 10 Mar
British Airways Logo
09:25 - 11:30LHR-SEA
10h 05mdirect
British Airways Logo
19:50 - 12:20SEA-LHR
9h 30mdirect
£491British Airways
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Good to know

Low seasonJanuary
Cheapest flight£398
Average price round-trip£805
Best time to beat the crowds but there is an average 4% increase in price.
Most popular time to fly (21% more expensive on average)
Flight from London Heathrow Airport to Portland
(price for this month)

KAYAK's insights & trends for flights to Washington

Get data-powered insights and trends for flights to Washington to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest day to fly to Washington?

The average price of all flights from the United Kingdom to Washington clicked on KAYAK for each day over the last 12 months.

Based on KAYAK data, the cheapest day to fly to Washington is Tuesday when return tickets can be as cheap as £631. On the other hand, the most expensive day to fly is Sunday, when return prices are £724 on average.

What is the cheapest month to fly from the United Kingdom to Washington?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights from the United Kingdom to Washington, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from the United Kingdom to Washington is January, when tickets cost £460 (return) on average. On the other hand, the most expensive months are November and December, when the average cost of round-trip tickets is £1,341 and £1,024 respectively.

How far in advance should I book a flight from the United Kingdom to Washington?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights to Washington, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below-average price on a flight from the United Kingdom to Washington, you should book around 4 weeks before departure, which saves you about 21% compared to booking last-minute. For the absolute cheapest price, our data suggests you should book 9 weeks before departure.

British Airways customer reviews

6.7
Okay7,520 verified ratings
6.3Food
6.9Boarding
6.7Comfort
7.6Crew
6.4Entertainment
Pros +
  • Crew was super polite and attentive. (in 1072 reviews)
  • The food and wine options were decent (in 461 reviews)
Cons -
  • The airline could have kept middle seats open to instill more confidence in flying. (in 550 reviews)
  • Customer Service is Dead with British Airways! (in 284 reviews)
Show reviews that mention
Traveller rating:
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M
8.0 Very Good
The to flight was excellent but the return flight the seats seemed not cushioning enough.
A
6.0 Okay
⭐ British Airways Review — A Journey of Highs, Lows, and Lessons ⭐ I recently flew Business Class round-trip from Boston to Mumbai with British Airways, and my experience was a tale of two extremes — from disappointment to exceptional service, and then back to inconsistency. Boston → London: A Surprisingly Poor Start My journey began on a disappointing note. On a 6-hour Business Class flight, I was surprised to discover that there wasn’t a single proper vegetarian meal option available. I was offered a few bakery items only after repeatedly requesting something to eat. The flight attendant shrugged, offered no solution, and eventually — quite literally — threw some bread at me after much delay. This was not only disheartening, it was extremely surprising given my wonderful Business Class experience with BA last year. I stepped off that flight genuinely hungry and had to make a mad dash to the lounge just to get a proper meal. London → Mumbai: A Complete Turnaround The next sector restored my faith in British Airways. The entire crew was warm, welcoming, attentive, and genuinely caring. A special shoutout to Phiroze and the entire team serving the Business Class cabin — their professionalism, hospitality, and thoughtful service were extraordinary. They truly embodied what makes British Airways a global leader, and I am deeply grateful for the experience they provided. This is the BA I know and love. Mumbai → London: A Strange Meal Schedule This sector was generally fine, but the meal timing was puzzling. Lunch at 10:30 AM — for a Business cabin — felt unusual, and most passengers, including myself, barely touched it. The rest of the service was smooth, but the scheduling definitely needs a rethink. London → Boston: Mixed Experience Again The flight itself was decent, but the Business Lounge at Heathrow for this leg was a letdown. Arrived during lunch hours: no hot vegetarian options available Lounge area: dirty dishes everywhere Even after politely alerting the staff, the dishes were ignored and left uncleared For a premium cabin passenger — and at one of the world’s busiest international hubs — this was disappointing. Overall Impression My journey with British Airways felt inconsistent — two great sectors sandwiched between two that fell short of the BA standard. When BA is good, it is world-class. When it misses, the gap is noticeable. I genuinely hope the airline takes this feedback as constructive insight. I continue to believe in British Airways, and I commend the outstanding crew on the London → Mumbai sector — they were the highlight of my entire trip. With a little more focus on vegetarian meal availability, lounge service, and consistency across crews, BA can ensure every Business Class passenger experiences the premium journey they promise.
A
6.0 Okay
⭐ British Airways Review — A Journey of Highs, Lows, and Lessons ⭐ I recently flew Business Class round-trip from Boston to Mumbai with British Airways, and my experience was a tale of two extremes — from disappointment to exceptional service, and then back to inconsistency. Boston → London: A Surprisingly Poor Start My journey began on a disappointing note. On a 6-hour Business Class flight, I was surprised to discover that there wasn’t a single proper vegetarian meal option available. I was offered a few bakery items only after repeatedly requesting something to eat. The flight attendant shrugged, offered no solution, and eventually — quite literally — threw some bread at me after much delay. This was not only disheartening, it was extremely surprising given my wonderful Business Class experience with BA last year. I stepped off that flight genuinely hungry and had to make a mad dash to the lounge just to get a proper meal. London → Mumbai: A Complete Turnaround The next sector restored my faith in British Airways. The entire crew was warm, welcoming, attentive, and genuinely caring. A special shoutout to Phiroze, Sara and the entire team serving the Business Class cabin — their professionalism, hospitality, and thoughtful service were extraordinary. They truly embodied what makes British Airways a global leader, and I am deeply grateful for the experience they provided. This is the BA I know and love. Mumbai → London: A Strange Meal Schedule This sector was generally fine, but the meal timing was puzzling. Lunch at 10:30 AM — for a Business cabin — felt unusual, and most passengers, including myself, barely touched it. The rest of the service was smooth, but the scheduling definitely needs a rethink. London → Boston: Mixed Experience Again The flight itself was decent, but the Business Lounge at Heathrow for this leg was a letdown. Arrived during lunch hours: no hot vegetarian options available Lounge area: dirty dishes everywhere Even after politely alerting the staff, the dishes were ignored and left uncleared For a premium cabin passenger — and at one of the world’s busiest international hubs — this was disappointing. Overall Impression My journey with British Airways felt inconsistent — two great sectors sandwiched between two that fell short of the BA standard. When BA is good, it is world-class. When it misses, the gap is noticeable. I genuinely hope the airline takes this feedback as constructive insight. I continue to believe in British Airways, and I commend the outstanding crew on the London → Mumbai sector — they were the highlight of my entire trip. With a little more focus on vegetarian meal availability, lounge service, and consistency across crews, BA can ensure every Business Class passenger experiences the premium journey they promise.
S
6.0 Okay
We were in business class and I had seat # 1. This was a night flight and after dinner was served, lights were dimmed and I went to sleep. The crew were loud and noisy so I didn’t get much sleep. I expect the crew to enjoy themselves but would Appreciate some decency in staying quiet while the passengers sleep
M
10.0 Wonderful
Have travelled business class with other airlines who profess to be the best in the world. They can however not beat the service and comfort that BA provide.
A
10.0 Wonderful
Well unfortunately our connecting was cancelled and next flight delayed. Was in airport 9 hours. Flight itself was good. I’m sure it was a FAA problem.
A
10.0 Wonderful
Great on board entertainment Tasty food Cattle class obviously crammed but not as bad as shorter hall flights
A
2.0 Poor
I was attacked in the Miami airport and the staff did nothing. On my flight from London to Miami one of the flight attendants screamed at me and demanded I keep my seat in the upright position at all times during the fight so the man behind me was comfortable for the flight. I will never in my life use British airways again
A
6.0 Okay
Logan gate staff was unhelpful. Arrived early, come to find out the airbus scheduled was reassigned and I did not have a seat. The desk agent spoke to his supervisor who instructed him to give me a boarding pass to get up to gate area, he was polite. At the gate the fellow was sitting to the side with two other BA staff . I asked him if he could help me, his answer was” we are on a break, we are closed” then turned his back. I am almost 70, drove 4 1/2 hours to Boston and had been looking forward to this trip for 5 months. I have worked in service many times in my life and this is not how it is done. I eventually (1/2 hr) before boarding was able to get a seat. The rest of the flight experience was unremarkable.
A
6.0 Okay
Good

Everything you need to know for your flight to Washington